MAL-2026-3411

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Import Source
https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/web3-py-checksum/MAL-2026-3411.json
JSON Data
https://api.osv.dev/v1/vulns/MAL-2026-3411
Published
2026-05-10T09:11:33Z
Modified
2026-07-09T09:33:23Z
Summary
Malicious code in web3-py-checksum (PyPI)
Details

-= Per source details. Do not edit below this line.=-

Source: kam193 (4b2052172f5c854b2e91f6bdc9336a97469cd161372621a1880d9cd1e3ad426a)

The code silently exfiltrates the private key of a crypto account.

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-05-old-web3-py-checksum

Reasons (based on the campaign):

  • crypto-related

  • exfiltration-crypto

Database specific 
{
    "malicious-packages-origins": [
        {
            "id": "pypi/2026-05-old-web3-py-checksum/web3-py-checksum",
            "import_time": "2026-05-10T10:00:03.596292356Z",
            "modified_time": "2026-05-10T09:11:33.997833Z",
            "sha256": "4b2052172f5c854b2e91f6bdc9336a97469cd161372621a1880d9cd1e3ad426a",
            "source": "kam193",
            "versions": [
                "1.1"
            ]
        },
        {
            "id": "RLMA-2026-02118",
            "import_time": "2026-07-09T09:11:40.93101323Z",
            "modified_time": "2026-07-07T11:50:14Z",
            "sha256": "8e190704ac159c1e6be0cace465986fdb1f2453d84528f83f35b32c515bbde1c",
            "source": "reversing-labs",
            "versions": [
                "1.0",
                "1.1"
            ]
        }
    ]
}
References
Credits

Affected packages

PyPI / web3-py-checksum

Package

Name
web3-py-checksum
View open source insights on deps.dev
Purl
pkg:pypi/web3-py-checksum

Affected ranges

Affected versions

1.*
1.0
1.1

Database specific

source 
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/pypi/web3-py-checksum/MAL-2026-3411.json"